With national policy on climate and energy in political gridlock, the opponents are fighting in local and state trenches. That's why money is pouring into a small county north of Seattle, where there's a debate over a shipping terminal that would send coal to Asia.

A North Vietnamese businessman who last year bought the tiny town of Buford, Wyoming, has launched his international coffee business there. Pham Dinh Nguyen is hoping traditional Vietnamese style coffee will catch on.

The United States loves its paper money. Dollar coins get introduced and re-introduced but they still remain the domain, largely, of vending machines. But a new bill in Congress seeks to change that, by phasing out the paper dollar bills. And supporters say it would bring a financial boon for the government.

What you eat ends up in your hair. Scientists in the US and Europe have used this basic idea to devise a sort of hair-based GPS tracking system. Law enforcement agencies are now using this technique to solve crimes. NOVA's Ari Daniel Shapiro reports.

With coal use falling fast in the US but still growing in Asia, western coal producers are pitching a plan to build five big new coal export terminals in Washington and Oregon, but opponents warn of big new environmental risks.

Drifting snow and white out conditions caused havoc yesterday on Highway 402. Hundreds of motorists were stranded there in a nasty snowstorm. Some had to be rescued by military helicopters and four wheel drive vehicles. Where would you find Highway 402?

For today's Geo Quiz we are looking for the name of a town in Wyoming just of I-80. The town is just 10 acres or so large. The one resident is also the mayor. He's planning to leave so he put the town up for auction. Can you name the tiny town?

What you eat ends up in your hair. Scientists in the US and Europe have used this basic idea to devise a sort of hair-based GPS tracking system. Law enforcement agencies are now using this technique to solve crimes. NOVA's Ari Daniel Shapiro reports.

With coal use falling fast in the US but still growing in Asia, western coal producers are pitching a plan to build five big new coal export terminals in Washington and Oregon, but opponents warn of big new environmental risks.

Sweltering temperatures in June capped off a year of record-breaking temperatures across the United States. Whether the trend is an anomaly or the new normal is something scientists are still trying to figure out.

The United States loves its paper money. Dollar coins get introduced and re-introduced but they still remain the domain, largely, of vending machines. But a new bill in Congress seeks to change that, by phasing out the paper dollar bills. And supporters say it would bring a financial boon for the government.

With national policy on climate and energy in political gridlock, the opponents are fighting in local and state trenches. That's why money is pouring into a small county north of Seattle, where there's a debate over a shipping terminal that would send coal to Asia.

A North Vietnamese businessman who last year bought the tiny town of Buford, Wyoming, has launched his international coffee business there. Pham Dinh Nguyen is hoping traditional Vietnamese style coffee will catch on.

The United States loves its paper money. Dollar coins get introduced and re-introduced but they still remain the domain, largely, of vending machines. But a new bill in Congress seeks to change that, by phasing out the paper dollar bills. And supporters say it would bring a financial boon for the government.

What you eat ends up in your hair. Scientists in the US and Europe have used this basic idea to devise a sort of hair-based GPS tracking system. Law enforcement agencies are now using this technique to solve crimes. NOVA's Ari Daniel Shapiro reports.

With national policy on climate and energy in political gridlock, the opponents are fighting in local and state trenches. That's why money is pouring into a small county north of Seattle, where there's a debate over a shipping terminal that would send coal to Asia.